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68 lines
2.0 KiB
HTML
68 lines
2.0 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=677638
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 677638 - port cloning</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=677638">Mozilla Bug 677638</a>
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<div id="content"></div>
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<pre id="test">
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</pre>
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<script type="application/javascript">
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function start() {
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var a = new MessageChannel();
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ok(a, "MessageChannel created");
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window.addEventListener('message', receiveMessage, false);
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function receiveMessage(evt) {
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if (evt.data.status == 'READY') {
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runTest();
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} else {
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ok(false, "Unknown message");
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}
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}
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var div = document.getElementById("content");
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ok(div, "Parent exists");
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var ifr = document.createElement("iframe");
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ifr.addEventListener("load", iframeLoaded, false);
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ifr.setAttribute('src', "iframe_messageChannel_post.html");
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div.appendChild(ifr);
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function iframeLoaded() {
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ifr.contentWindow.postMessage({ port: a.port2 }, '*', [a.port2]);
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}
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a.port1.addEventListener('message', receivePortMessage, false);
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function receivePortMessage(evt) {
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is(evt.data.ab.byteLength, size, "The size is: " + size + " == " + ab.byteLength);
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SimpleTest.finish();
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}
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// Start() is not implicity invoked when addEventListener is used.
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a.port1.start();
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var size = 1024 * 1024 * 32;
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var ab = new ArrayBuffer(size);
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is(ab.byteLength, size, "The size is: " + size + " == " + ab.byteLength);
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function runTest() {
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a.port1.postMessage({ab: ab, cb: ab}, [ab]);
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ok(ab.byteLength == 0, "PostMessage - The size is: 0 == " + ab.byteLength)
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}
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}
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv({"set": [["dom.messageChannel.enabled", true]]}, start);
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</script>
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</body>
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</html>
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